Mercedes-Benz GLS 2023, Operator'S Manual

Page: 366 / 538

All vehicles
*
NOTE Damage caused by numerous or
extended attempts to start the engine
Numerous or extended attempts to start the
engine may damage the catalytic converter
due to non-combusted fuel.
#
Avoid numerous and extended attempts
to start the engine.
Observe the following points during starting assis-
tance and when charging the battery:
R
Only use undamaged jumper cable/charging
cables with a sufficient cross-section and
insulated terminal clamps.
R
Non-insulated parts of the terminal clamps
must not come into contact with other metal
parts while the jumper cable/charging cable
is connected to the battery/jump-start con-
nection point.
R
The jumper cable/charging cable must not
come into contact with any parts which may
move when the engine is running.
R
Always make sure that neither you nor the bat-
tery is electrostatically charged.
R
Keep away from fire and naked flames.
R
Do not lean over the battery.
Observe the additional following points when
charging the battery:
R
Only use battery chargers tested and
approved for Mercedes-Benz.
R
Read the battery charger's operating instruc-
tions before charging the battery.
Observe the additional following points during
starting assistance:
R
Starting assistance may only be provided
using vehicles, batteries or other jump start
devices with a nominal voltage of 12 V.
R
The vehicles must not touch.
R
Vehicles with a gasoline engine: jump-start the
vehicle only when the engine and exhaust sys-
tem are cold.
Starting assistance and charging the 12 V battery
Requirements
R
The vehicle is secured with the electric park-
ing brake.
R
Vehicles with automatic transmission: the
transmission is in position
j
.
R
The vehicle and all electrical consumers are
switched off.
R
The hood is open.
364 Breakdown assistance